6653322664 has 16 divisors (see below), whose sum is σ = 12489448320. Its totient is φ = 3322803120.

The previous prime is 6653322661. The next prime is 6653322667. The reversal of 6653322664 is 4662233566.

It is an interprime number because it is at equal distance from previous prime (6653322661) and next prime (6653322667).

It is a self number, because there is not a number n which added to its sum of digits gives 6653322664.

It is not an unprimeable number, because it can be changed into a prime (6653322661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 474942 + ... + 488749.

It is an arithmetic number, because the mean of its divisors is an integer number (780590520).

Almost surely, 2^6653322664 is an apocalyptic number.

It is an amenable number.

6653322664 is a deficient number, since it is larger than the sum of its proper divisors (5836125656).

6653322664 is a wasteful number, since it uses less digits than its factorization.

6653322664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964560 (or 964556 counting only the distinct ones).

The product of its digits is 933120, while the sum is 43.

The square root of 6653322664 is about 81567.9021674580. The cubic root of 6653322664 is about 1880.8155002856.

It can be divided in two parts, 665 and 3322664, that added together give a square (3323329 = 1823²).

The spelling of 6653322664 in words is "six billion, six hundred fifty-three million, three hundred twenty-two thousand, six hundred sixty-four".